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teaming: fix vlan_features computing

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__team_compute_features() uses netdev_increment_features() to
combine vlan_features of slaves into vlan_features of the team.
As netdev_increment_features() only adds most features and we
start with TEAM_VLAN_FEATURES, we can end up with features none
of the slaves provided.

Initialize vlan_features only with the flags which are both in
TEAM_VLAN_FEATURES and NETIF_F_ALL_FOR_ALL. Right now there is
no such feature so that we actually initialize vlan_features
with zero but stating it explicitely will make the code more
future proof.

Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michal Kubeček 2014-05-20 08:29:45 +02:00 committed by David S. Miller
parent a9b3ace44c
commit 3625920b62
1 changed files with 1 additions and 1 deletions
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2
drivers/net/team/team.c
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@ -968,7 +968,7 @@ static void team_port_disable(struct team *team,
static void __team_compute_features(struct team *team)
{
struct team_port *port;
u32 vlan_features = TEAM_VLAN_FEATURES;
u32 vlan_features = TEAM_VLAN_FEATURES & NETIF_F_ALL_FOR_ALL;
unsigned short max_hard_header_len = ETH_HLEN;
unsigned int flags, dst_release_flag = IFF_XMIT_DST_RELEASE;